# Copyright (C) 2009, 2011 Free Software Foundation, Inc.
#
# Copying and distribution of this file, with or without modification,
# in any medium, are permitted without royalty provided the copyright
# notice and this notice are preserved.

# Don't recognize hunks before a filename has been specified/seen

. $srcdir/test-lib.sh

require_cat
require_sed
use_local_patch
use_tmpdir

# ==============================================================

cat > n.diff <<EOF
0a1
> one
EOF

check 'patch < n.diff || echo "Status: $?"' <<EOF
$PATCH: **** Only garbage was found in the patch input.
Status: 2
EOF

check 'patch -f -n < n.diff || echo "Status: $?"' <<EOF
can't find file to patch at input line 1
No file to patch.  Skipping patch.
1 out of 1 hunk ignored
Status: 1
EOF

touch f
check 'patch f < n.diff' <<EOF
patching file f
EOF

# ==============================================================

if ! have_ed ; then
    echo "The ed utility is not available; skipping ed related tests"
else
    cat > e.diff <<EOF
0a
one
.
EOF

    check 'patch < e.diff || echo "Status: $?"' <<EOF
$PATCH: **** Only garbage was found in the patch input.
Status: 2
EOF

    check 'patch -f -e < e.diff || echo "Status: $?"' <<EOF
can't find file to patch at input line 1
No file to patch.  Skipping patch.
Status: 1
EOF

    rm -f f
    touch f
    ncheck 'patch f < e.diff'

    check 'cat f' <<EOF
one
EOF
fi

# ==============================================================

cat > h+c.diff <<EOF
*** /dev/null
--- f
***************
*** 0 ****
--- 1 ----
+ one
EOF

rm -f f
check 'patch < h+c.diff' <<EOF
patching file f
EOF

check 'cat f' <<EOF
one
EOF

sed -e '1,2d' h+c.diff > c.diff

check 'patch < c.diff || echo "Status: $?"' <<EOF
$PATCH: **** Only garbage was found in the patch input.
Status: 2
EOF

rm -f f
check 'patch f < c.diff' <<EOF
patching file f
EOF

check 'cat f' <<EOF
one
EOF

# ==============================================================

cat > h+u.diff <<EOF
--- /dev/null
+++ f
@@ -0,0 +1 @@
+one
EOF

rm -f f
check 'patch < h+u.diff' <<EOF
patching file f
EOF

check 'cat f' <<EOF
one
EOF

sed -e '1,2d' h+u.diff > u.diff

check 'patch < u.diff || echo "Status: $?"' <<EOF
$PATCH: **** Only garbage was found in the patch input.
Status: 2
EOF

rm -f f
check 'patch f < u.diff' <<EOF
patching file f
EOF

check 'cat f' <<EOF
one
EOF